Merge pull request #590 from stilor/cygwin-old-gcc-glibc

Fix Cygwin build of old gcc and glibc

1 files changed, 11 insertions, 0 deletions

diff --git a/scripts/build/kernel/linux.sh b/scripts/build/kernel/linux.sh
index 064631b..9cfc433 100644
--- a/scripts/build/kernel/linux.sh
+++ b/scripts/build/kernel/linux.sh
@@ -71,6 +71,17 @@ do_kernel_extract() {
         return 0
     fi
     CT_Patch "linux" "${CT_KERNEL_VERSION}"
+
+    # Disable building relocs application - it needs <linux/types.h>
+    # on the host, which may not be present on Cygwin or MacOS; it
+    # needs <elf.h>, which again is not present on MacOS; and most
+    # important, we don't need it to install the headers.
+    # This is not done as a patch, since it varies from Linux version
+    # to version - patching each particular Linux version would be
+    # too cumbersome.
+    CT_Pushd "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}"
+    sed -i -r 's/(\$\(MAKE\) .* relocs)$/:/' arch/*/Makefile
+    CT_Popd
 }
 
 # Install kernel headers using headers_install from kernel sources.